Finding the Fourth Proportional to 270,717.12, 406,474.88 and 151,007.96
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Solution
The fourth proportional to 270,717.12, 406,474.88 and 151,007.96 is: 226,734.62
Step by Step Solution
- Step 1: Write the proportion equation
270,717.12 : 406,474.88 = 151,007.96 : x - Step 2: Convert to fraction form
270,717.12/406,474.88 = 151,007.96/x - Step 3: Cross multiply
270,717.12x = 406,474.88 × 151,007.96 - Step 4: Simplify right side
270,717.12x = 61,380,942,681.19 - Step 5: Solve for x
x = 61,380,942,681.19/270,717.12 - Step 6: Final answer
x = 226,734.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.